There are 2 owner-reported suspension complaints for the 2008 Porsche Cayennein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2008 PORSCHE CAYENNE. WHILE THE VEHICLE WAS IDLING, AN ABNORMAL SOUND WAS HEARD. THE CONTACT INSPECTED THE VEHICLE AND FOUND THAT THE AIR SUSPENSION TANK WAS DETACHED FROM THE VEHICLE. THE VEHICLE WAS TOWED TO PORSCHE OF SOUTH SHORE (185 W SUNRISE HWY, FREEPORT, NY) WHERE THE FAILURE WAS CONFIRMED, BUT THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 125,000.
WHILE LEAVING MY HOME IN MY 2008 PORSCHE CAYENNE TURBO, THE CAR STARTED HESITATING AND THEN STALLED OUT WITH A PDC ERROR. AFTER TAKING IT IN TO THE LOCAL PORSCHE DEALERSHIP THEY REPORTED FINDING NOTHING. THE ISSUE WOULD OCCUR 2 MORE TIMES AND I TOOK IT TO A LOCAL MECHANIC SPECIALIZING IN PORSCHES WHO STATED IT WAS THE THROTTLE BODY. THIS WAS REPLACED HOWEVER THE ISSUE IS REOCCURRING WITH SUPPLEMENT ERRORS SUCH AS CHASSIS AND CHECK ENGINE. MY ISSUE ISN'T UNCOMMON PLEASE SEE PROVIDED LINKS WHERE OTHERS HAVE HAD THE SAME PROBLEMS WITH THEIR PDCC SYSTEM. HTTP://WWW.6SPEEDONLINE.COM/FORUMS/CAYENNE-955-957/200781-3RD-REPAIR-ATTEMPT-WARNING-CHASSIS-SYSTEM.HTML HTTP://RENNLIST.COM/FORUMS/PORSCHE-CAYENNE-FORUM/699011-PDCC-MAJOR-PROBLEMS.HTML HTTP://WWW.RENNTECH.ORG/FORUMS/TOPIC/45581-WARNING-CHASSIS-SYSTEM-ON-2008-CAYENNE-TURBO/
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026